5021640162456 has 16 divisors (see below), whose sum is σ = 12554100406200. Its totient is φ = 1673880054144.

The previous prime is 5021640162419. The next prime is 5021640162463. The reversal of 5021640162456 is 6542610461205.

It is a super-2 number, since 2×5021640162456² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104617503361 + ... + 104617503408.

Almost surely, 2^{5021640162456} is an apocalyptic number.

It is an amenable number.

5021640162456 is an abundant number, since it is smaller than the sum of its proper divisors (7532460243744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5021640162456 is a wasteful number, since it uses less digits than its factorization.

5021640162456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209235006778 (or 209235006774 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 5021640162456 in words is "five trillion, twenty-one billion, six hundred forty million, one hundred sixty-two thousand, four hundred fifty-six".